Roundel or Rondel. A roundel is a small circular decorative plate used extensively in Renaissance courtyards and arcades often a niche containing a bust. A roundel window is a small, ornate, circular window.oundel or Rondel. A roundel is a small circular decorative plate used extensively in Renaissance courtyards and arcades often a niche containing a bust. A roundel window is a small, ornate, circular window.
Extended active duty is defined as active duty performed by a member of a Reserve component when strength accountability passes from the Reserve component to the active military establishment.. - DoD Financial Management Regulation. Volume 7A, Chapter 56. tlnmcfat3.
On active duty, defined as full-time duty in the active military service of the United States, as a member of the Army, Navy, Air Force, Marine Corps or Coast Guard, including as a member of a reserve component that is called to active duty.